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authorJohn Stultz <john.stultz@linaro.org>2011-04-18 13:19:07 -0700
committerJohn Stultz <john.stultz@linaro.org>2011-04-18 13:19:07 -0700
commit775d71e49c65f1f6aa57776ea1da62988fc9a30a (patch)
treece03cae544bacc8dda67422fd66a543dd1ae3c99 /arch/arm/kernel/elf.c
parent18e82d2b952ab57fc1c8a69d4fa14e562f2aecf6 (diff)
parentc1a952f48517b5545075d8eb1a5d543099bd2ae1 (diff)
Merge branch 'upstream/linaro.38' into linaro-android.38KNOWN_GOOD
Diffstat (limited to 'arch/arm/kernel/elf.c')
-rw-r--r--arch/arm/kernel/elf.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/kernel/elf.c b/arch/arm/kernel/elf.c
index d4a0da1e48f..8524d096300 100644
--- a/arch/arm/kernel/elf.c
+++ b/arch/arm/kernel/elf.c
@@ -40,16 +40,23 @@ EXPORT_SYMBOL(elf_check_arch);
void elf_set_personality(const struct elf32_hdr *x)
{
unsigned int eflags = x->e_flags;
- unsigned int personality = PER_LINUX_32BIT;
+ unsigned int personality = current->personality;
/*
+ * Inherit most personality flags from parent, except for those
+ * we're about to choose. Beware: PER_LINUX_32BIT carries flag bits
+ * outside of PER_MASK.
+ */
+ personality &= ~(PER_MASK | PER_LINUX | PER_LINUX_32BIT);
+
+ /*
* APCS-26 is only valid for OABI executables
*/
- if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN) {
- if (eflags & EF_ARM_APCS_26)
- personality = PER_LINUX;
- }
-
+ if ((eflags & EF_ARM_EABI_MASK) == EF_ARM_EABI_UNKNOWN &&
+ (eflags & EF_ARM_APCS_26))
+ personality |= PER_LINUX;
+ else
+ personality |= PER_LINUX_32BIT;
set_personality(personality);
/*